Related Experiment Video
Updated: Jun 25, 2026

06:51
Measuring the Complete-arch Distortion of an Optical Dental Impression
Published on: May 30, 2019
Accuracy testing of a new intraoral 3D camera.
1Divison of Computerized Dentistry, Center for Dental and Oral Medicine and Cranio-Maxillofacial Surgery, University of Zurich. Albert.Mehl@zzmk.uzh.ch
International Journal of Computerized Dentistry
|February 14, 2009
Summary
A new intraoral camera for the Cerec procedure offers improved accuracy for digital impressions. This advanced optical surveying tool demonstrates high precision for single-tooth and quadrant imaging in clinical dental applications.
Area of Science:
- Dental Technology
- Optical Imaging
- Digital Dentistry
Background:
- Intraoral optical surveying is emerging as a viable alternative to traditional dental impression methods.
- Clinical suitability hinges on system accuracy and ease of use for dental professionals.
- The Cerec procedure benefits from advancements in digital impression technology.
Purpose of the Study:
- To introduce and evaluate a novel intraoral camera designed for the Cerec digital dentistry system.
- To assess the accuracy of the new intraoral camera for single-tooth and quadrant imaging.
- To explore potential clinical applications and indications for this advanced optical surveying device.
Main Methods:
- Acquisition of single-tooth and quadrant intraoral images using the new camera.
- Comparison of image data against a reference scanner and a preceding 3D camera model.
- Analysis of discrepancies through data record superimposition.
Main Results:
- The new intraoral camera demonstrated superior accuracy compared to the previous model.
- High precision was achieved in single-tooth imaging, with accuracy up to 19 micrometers.
- Quadrant imaging yielded sufficient accuracy (approximately 35 micrometers) and proved clinically simple, aided by integrated shake detection.
Conclusions:
- The new intraoral camera represents a significant advancement in digital impression technology for the Cerec procedure.
- Its high accuracy and ease of use support its clinical suitability for various dental applications.
- The system's performance indicates its potential to enhance efficiency and precision in modern dental practices.

